Finding the Third Proportional to 9,570,142 and 21,000,328

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,142 : 21,000,328 = 21,000,328 : x
2. Step 2: Convert to fraction form
   9,570,142/21,000,328 = 21,000,328/x
3. Step 3: Cross multiply
   9,570,142x = 21,000,328 × 21,000,328
4. Step 4: Simplify right side
   9,570,142x = 441,013,776,107,584
5. Step 5: Solve for x
   x = 441,013,776,107,584/9,570,142
6. Step 6: Final answer
   x = 46,082,260.44